/*
 * Copyright 2011-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.sabayframework.mem.impl;

import org.sabayframework.mem.IdGenerator;
import org.sabayframework.mem.Transaction;
import org.sabayframework.mem.Transaction.Locking;
import org.sabayframework.queue.ExecutionQueue;

/**
 * Mem space backed by Java heap.
 * @author Alex Antonau
 * */
public class HeapSpace extends AbstractSpace {

	public HeapSpace(ExecutionQueue executionQueue) {
		super(executionQueue);
	}

	public HeapSpace(IdGenerator idGenerator, ExecutionQueue executionQueue) {
		super(idGenerator, executionQueue);
	}

	@Override
	public Transaction beginTransaction(Locking locking) {
		if(isClosed()) throw new IllegalStateException("Space is closed");
		HeapTransaction t = new HeapTransaction(getIdGenerator().getNextId(), getExecutionQueue(), this);
		started(t);
		return t;
	}

}
